Loudspeaker



FIG. 1 is a front, left, top perspective view of a loudspeaker showingour new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Broken lines illustrate portions of the article that form no part of theclaimed design.

CLAIM The ornamental design for a loudspeaker, as shown and described.